Abstract: A public address system includes at least one monitoring device, a transmission medium and at least one level monitoring device. The monitoring device is connected to the transmission medium and powered by an AC voltage with a supply frequency present on the transmission medium. The monitoring device receives or transmits or transmits and receives a communication signal utilizing a carrier frequency upon the transmission medium. The carrier frequency is different from the supply frequency and the level monitoring device is adapted to monitor the level of the AC voltage.

Abstract: A hydraulic piston machine includes a plurality of pistons (12, 14) which are driven by a drive/output shaft (40), guided in an axially displaceable manner in a piston barrel (4) of a housing (2), and, in each case, bound one working chamber (44) into which the pressure medium may be fed via a suction valve (46), and from which the pressure medium may be discharged via a pressure valve (48). The housing (2) includes at least one further housing part (6) which is connected to the piston barrel (4) on the front side. The suction valves (46) and pressure valves (48) are situated in the region of a parting plane (50) between the housing parts (4, 6), in housing receptacles (52, 54), approximately axially parallel to the longitudinal axis of the piston machine.

Abstract: A cutting device for crop has a cutting tool which can be set into rotation, and a shear bar which can be displaced relative thereto, each of the two diametrically opposed ends of which is coupled to a control unit, thereby enabling the clearance position of the shear bar relative to the cutting tool to be changed, and a control device which activates the control units in order to change the clearance position of the shear bar, and to move the shear bar toward the cutting tool, the control device can be operated to activate the control units to each perform a working step in alternation, so that within this working step the particular activated control unit initially moves the end of the shear bar assigned thereto toward the cutting tool by a first adjusting distance, and then away from the cutting tool by a second adjusting distance, wherein the second adjusting distance is smaller than the first adjusting distance.

Abstract: The invention relates to a winding body for an electric motor and, in particular a brushless direct current electric motor (200) with an air gap winding. At least two bobbins (12, 14; 22, 24; 32, 34) per stand (10, 20, 30) are provided. The invention also relates to a method for the production of said winding body. According to the invention, the bobbins (12, 14; 22, 24; 32, 34) of a strand (10; 20; 30) of the winding body (100) are wound immediately behind each other.

Abstract: A guide carriage for a linear roller bearing is supportable in a longitudinally displaceable manner via a large number of rolling elements on a guide rail which extends in a longitudinal direction, and has at least one rolling surface part including at least one carriage rolling surface for the rolling elements and is attached to a main body of the guide carriage via at least one adhesive layer, and a thin sheet-metal panel which has at least one opening is located between the rolling surface part and the main body, with the adhesive layer located inside the opening.

Abstract: An image processing device for the detection and suppression of shadows in a camera image of a surveilled scene, the camera image optionally showing static objects with static shadow regions and moving objects with dynamic shadow regions, includes a long-term module, which is designed to generate a long-term reference image of the surveilled scene by evaluating a long-term observation of a particular scene, a mid-term module, which is designed to generate a mid-term reference image of the surveilled scene by evaluating a mid-term observation of the particular scene, and a shadow detection module, which is designed to process camera image—using information technology—with long-term reference image and mid-term reference image, in order to detect and suppress shadows.

Abstract: The invention relates to a composite twisted cable formed by impregnating carbon fibers with thermoplastic resin, and provides a fiber composite twisted cable which allows downsizing of a reel by being easy to be bent, can be transported to mountain areas which is normally hard to achieve a transport with a large vehicle, is hard to be curled, and is superior in workability. It is a cable having 1×n structure which is formed by impregnating bundles of carbon fibers with thermosetting resin, then twisting a plurality of strands each formed by covering an outer periphery of the bundle with a fiber, and then curing the thermosetting resin by applying the heat treatment, and a core strand and side strands which constitute the cable are separated and independent without being bonded so as to allow independent behavior of the respective strands when the cable is bent.

Abstract: A magnetic levitation railway having an eddy-current brake (20) cooperates with a reaction rail (8) of the driveway (2). The eddy-current brake (20) has at least one brake magnet (21) which is movably mounted to the vehicle (1) and transversely to the reaction rail (8) and which is made to abut the reaction rail (8) if a normal force, for example, fixed by means of springs (27) is exceeded.

Abstract: A handheld power tool having a power tool that executes a reciprocating motion, in particular a reciprocating power saw with a reciprocating sawblade (14), is disclosed. To prevent the power tool from sawing untrue during the cutting operation, in particular between the upper and lower cutting edges, the power tool is assigned at least one force transducer (19), which measures the magnitude of a transverse force, oriented transversely to the direction of motion, that occurs at the power tool, and at least one actuator (21), which acts on the power tool as a function of the measured magnitude of the transverse force, is provided for transverse force compensation (FIG. 2).

Abstract: A communication network contains several nodes, which are equipped with transmitter/receiver units for wireless communication, including nodes referred to as mobile nodes that are installed on mobile machines. So that decentralized decisions can be made regarding the use of the mobile machines at the sites where the machines are located, a memory for storing the operating parameter profiles of several of the mobile machines is assigned to each node; every node is designed to transmit profiles stored in its assigned memory via its transmitter/receiver unit, and to update the profile of a particular mobile machine stored in its assigned memory based on a profile of this mobile machine that is received from another node.

Abstract: A separating unit for a combine harvester and operating in accordance with a principle of axial flow, has a housing having at least one separating grate provided with openings, a rotatably supported separating rotor located in the housing, a cover having a closed jacket surface including, on a side facing the separating rotor, a plurality of guide elements disposed next to one another coaxially to a longitudinal axis of the separating rotor and extending in sections in a radial direction of the cover, and at least one ramp-shaped crop flow deflecting element extending axially parallel to the longitudinal axis of the separating rotor and arranged on the side of the jacket surface facing the separating rotor.

Abstract: The invention relates to a method for determining the wheel geometry and/or axle geometry of motor vehicles by means of an optical measuring apparatus. According to said method, at least two recording points are assigned to each other and are referenced in relation to the measuring space with the aid of an image recording system, optionally taking into account reference characteristics and vehicle body characteristics, an object segment (6) comprising the wheel (5) that is to be measured is detected from different perspectives, and the position of wheel characteristics in the measuring space is evaluated during the measurement.

Abstract: The method produces a coated three-dimensionally shaped glass ceramic body, especially a viewing window pane, which is provided with a reflective, anti-reflective or partially reflective layer. The method includes coating a flat green glass body to produce a coated green glass body and subsequently shaping the coated green glass body and ceramizing to form the coated three-dimensionally shaped glass ceramic body. In preferred embodiments the shaping the ceramizing occur at the same time. The reflective or anti-reflective coating is preferably applied to the green-glass body by an economical sol-gel process.

Abstract: The invention relates to a method for object formation for environmental modeling, wherein the processing of information of a sensor is carried out in consideration of a segmenting threshold (62) that is non-linear at least in sections. The invention further relates to a device for object formation for environmental modeling, and to a computer program, and a computer program product.

Abstract: A method and device generate digital still pictures of wafer-shaped elements, such as wafers or solar cells, which are transported in series on a conveyor belt during a production process. The device has a camera taking pictures of the wafer-shaped elements in sections step-by-step, in particular continuously taking digital pictures line-by-line (linear scanning) transverse to the transport direction, and then sampling the recorded image data. The device also includes a hardware-based image data processing unit, e.g. FPGA, for detecting edges of the wafer-shaped elements that indicate a beginning or an end of each of the wafer-shaped elements. The edge detection is for controlling the generation of the digital still pictures for visual inspection to find defective areas of the elements.

Abstract: A method for examining an attachment or detachment of living cells, dead cells or cell-like particles on a surface using plasmon resonance includes irradiating a measurement region with beams over the entire angle of incidence spectrum and capturing, combining and evaluating beams with identical angles of incidence reflected from different points of the measurement region with a determination of the angle of light incidence with a lowest reflected light intensity and measuring an angle of incidence shift of an intensity minimum that occurs. The evaluating includes registering different angles of incidence of two or more intensity minima occurring simultaneously to reflect a respective level of the surface accumulations.

Abstract: A hand-held power tool system has a hand-held power tool, a guard unit, and a guard anti-rotation lock unit preventing rotation between the guard unit and the hand-held power tool during breakdown of a tool of the hand-held power tool and configured to prevent rotation between the guard unit and the hand-held power tool at a same time as the guard unit is being attached to the hand-held power unit when the guard unit is in a working position, the guard anti-rotation lock unit is at least partially located on a closing unit which includes a clamping band and a pivotable lever, and the anti-rotation lock unit includes at least one anti-rotation lock element provided on the lever.